Finding the Fourth Proportional to 213,619.86, 320,353.20 and 63,832.26
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Solution
The fourth proportional to 213,619.86, 320,353.20 and 63,832.26 is: 95,725.50
Step by Step Solution
- Step 1: Write the proportion equation
213,619.86 : 320,353.20 = 63,832.26 : x - Step 2: Convert to fraction form
213,619.86/320,353.20 = 63,832.26/x - Step 3: Cross multiply
213,619.86x = 320,353.20 × 63,832.26 - Step 4: Simplify right side
213,619.86x = 20,448,868,754.23 - Step 5: Solve for x
x = 20,448,868,754.23/213,619.86 - Step 6: Final answer
x = 95,725.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.